/* FreeFlower Web - Professional Modern Tech Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  
  --vscode-bg: #18181b;
  --vscode-editor-bg: #18181b;
  --vscode-toolbar-bg: #27272a;
  --vscode-border: #3f3f46;
  --vscode-text: #f4f4f5;
  --vscode-blue: #38bdf8;
  --vscode-purple: #c084fc;
  --vscode-yellow: #fde047;
  --vscode-orange: #fb923c;
  --vscode-green: #4ade80;
  --vscode-teal: #2dd4bf;
  --vscode-btn-green: #16a34a;
}

body {
  font-family: var(--font-sans);
  color: #0f172a;
  background-color: #ffffff;
  line-height: 1.5;
  font-size: 0.88rem;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}

/* Remove ONLY left sidebar (navigation between chapters is in top navbar) */
#quarto-sidebar, .sidebar-navigation {
  display: none !important;
}

/* Subsection Navigator / Table of Contents (Right Margin Sidebar - High Contrast) */
#quarto-margin-sidebar, nav#TOC, .margin-sidebar {
  display: block !important;
  font-family: var(--font-sans);
}

nav#TOC {
  padding-left: 0.85rem !important;
  border-left: 2px solid #e2e8f0 !important;
  margin-top: 0.5rem !important;
}

#toc-title {
  font-size: 0.76rem !important;
  font-weight: 700 !important;
  color: #0f172a !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  margin-bottom: 0.5rem !important;
}

nav#TOC ul {
  padding-left: 0 !important;
  list-style: none !important;
}

nav#TOC li {
  margin-bottom: 0.3rem !important;
}

nav#TOC a {
  font-size: 0.78rem !important;
  color: #475569 !important; /* High contrast Slate 600 */
  text-decoration: none !important;
  display: block !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  transition: all 0.15s ease-in-out !important;
}

nav#TOC a:hover {
  color: #0f172a !important; /* Deep Slate 900 text on hover (15:1 contrast) */
  background-color: #f1f5f9 !important; /* Soft hover pill */
  font-weight: 600 !important;
}

nav#TOC a.active {
  color: #0284c7 !important; /* Tech Blue */
  background-color: #e0f2fe !important;
  font-weight: 600 !important;
}

main.content {
  padding-top: 0.4rem !important;
}

/* ==========================================================================
   Auto-Hiding Sticky Top Navbar (Tech Modern Dark Glass)
   ========================================================================== */
.navbar {
  background: linear-gradient(180deg, #18181b 0%, #09090b 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.25rem 1rem !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.02em;
  color: #ffffff !important;
}

.nav-link {
  font-family: var(--font-sans);
  color: #a1a1aa !important;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 3px 8px !important;
  transition: all 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff !important;
  background-color: #27272a;
  border-radius: 5px;
}

/* ==========================================================================
   Typography & Techy Headings
   ========================================================================== */
h1 {
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #0f172a;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0.3em;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #1e293b;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 0.25em;
  margin-top: 1.1rem;
  margin-bottom: 0.4rem;
}

h3 {
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #334155;
  margin-top: 0.8rem;
  margin-bottom: 0.3rem;
}

p, ul, ol {
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   High-Contrast Light Inline Code Badge (Responsive & Non-Overflowing)
   ========================================================================== */
code:not(pre code),
p code,
li code,
td code,
th code,
.callout code,
.callout-body code {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
  border: 1px solid #cbd5e1 !important;
  padding: 0.12em 0.38em !important;
  border-radius: 4px !important;
  font-size: 84% !important;
  font-weight: 600 !important;
  font-family: var(--font-mono) !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  letter-spacing: 0 !important;
}

/* ==========================================================================
   Static Code Blocks (VS Code Dark Modern - Maximum Contrast & Full Height)
   ========================================================================== */
div.sourceCode,
pre.sourceCode,
pre.code-with-copy,
.code-with-copy pre {
  background-color: #18181b !important;
  border: 1px solid #3f3f46 !important;
  border-radius: 6px !important;
  margin-top: 0.35rem !important;
  margin-bottom: 0.5rem !important;
  padding: 10px 14px !important;
  overflow-x: auto !important;
  overflow-y: visible !important;
  white-space: pre !important;
  line-height: 1.5 !important;
  font-size: 0.78rem !important;
  height: auto !important;
  max-height: none !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12) !important;
}

div.sourceCode pre,
pre.sourceCode code,
pre.code-with-copy code,
.code-with-copy pre code {
  background-color: transparent !important;
  color: #f4f4f5 !important;
  font-family: var(--font-mono) !important;
  font-size: 0.78rem !important;
  line-height: 1.5 !important;
  padding: 0 !important;
  border: none !important;
  white-space: pre !important;
  display: block !important;
  height: auto !important;
}

/* High Specificity Syntax Highlighting Overrides for Dark Background */
div.sourceCode code span.im,
pre.sourceCode code span.im { color: #c084fc !important; }

div.sourceCode code span.kw,
pre.sourceCode code span.kw,
div.sourceCode code span.cf,
pre.sourceCode code span.cf { color: #38bdf8 !important; font-weight: 600 !important; }

div.sourceCode code span.bu,
pre.sourceCode code span.bu { color: #38bdf8 !important; }

div.sourceCode code span.st,
pre.sourceCode code span.st,
div.sourceCode code span.vs,
pre.sourceCode code span.vs,
div.sourceCode code span.ch,
pre.sourceCode code span.ch { color: #fb923c !important; }

div.sourceCode code span.co,
pre.sourceCode code span.co { color: #4ade80 !important; font-style: italic !important; }

div.sourceCode code span.fu,
pre.sourceCode code span.fu,
div.sourceCode code span.fn,
pre.sourceCode code span.fn { color: #fde047 !important; }

div.sourceCode code span.dv,
pre.sourceCode code span.dv,
div.sourceCode code span.fl,
pre.sourceCode code span.fl,
div.sourceCode code span.bn,
pre.sourceCode code span.bn { color: #a3e635 !important; }

div.sourceCode code span.va,
pre.sourceCode code span.va,
div.sourceCode code span.at,
pre.sourceCode code span.at,
div.sourceCode code span.an,
pre.sourceCode code span.an { color: #7dd3fc !important; }

div.sourceCode code span.op,
pre.sourceCode code span.op { color: #e4e4e7 !important; }

div.sourceCode code span,
pre.sourceCode code span { color: #f4f4f5 !important; }

/* ==========================================================================
   Pyodide Interactive Monaco Code Editor - VS CODE DARK & COMPACT SIZE
   ========================================================================== */

/* Main Pyodide Cell Container */
.qpyodide-interactive-area {
  border: 1px solid var(--vscode-border) !important;
  border-radius: 6px !important;
  margin-top: 0.35rem !important;
  margin-bottom: 0.5rem !important;
  background-color: var(--vscode-editor-bg) !important;
  overflow: hidden !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.15) !important;
}

/* Monaco Editor Container Overrides */
.qpyodide-editor, .monaco-editor, .monaco-editor-background, .monaco-editor .margin {
  background-color: #18181b !important;
  border: none !important;
}

.monaco-editor .line-numbers {
  color: #71717a !important;
  font-size: 11px !important;
}

.monaco-editor .view-line {
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  line-height: 18px !important;
}

/* Compact Pyodide Toolbar */
.qpyodide-editor-toolbar {
  background-color: var(--vscode-toolbar-bg) !important;
  border-top: 1px solid var(--vscode-border) !important;
  padding: 2px 6px !important;
  min-height: 24px !important;
  height: 26px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

.qpyodide-editor-toolbar-left-buttons, .qpyodide-editor-toolbar-right-buttons {
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
}

/* Compact Tech Buttons */
.qpyodide-button {
  font-family: var(--font-sans) !important;
  font-size: 0.65rem !important;
  font-weight: 500 !important;
  padding: 1px 7px !important;
  height: 20px !important;
  line-height: 1.1 !important;
  border-radius: 4px !important;
  transition: all 0.15s ease !important;
}

.qpyodide-button-run {
  background-color: var(--vscode-btn-green) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  font-weight: 600 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) !important;
}

.qpyodide-button-run:hover {
  background-color: #15803d !important;
}

.qpyodide-button-reset, .qpyodide-button-copy {
  background-color: #27272a !important;
  color: #d4d4d8 !important;
  border: 1px solid #3f3f46 !important;
}

.qpyodide-button-reset:hover, .qpyodide-button-copy:hover {
  background-color: #3f3f46 !important;
  color: #ffffff !important;
}

/* Console & Execution Output Area */
.qpyodide-console-area,
.qpyodide-output-code-area,
div[id^="qpyodide-output-code-area"],
div[id^="qpyodide-console-area"] {
  background-color: #09090b !important;
  color: #f4f4f5 !important;
  border-top: 1px solid var(--vscode-border) !important;
  margin: 0 !important;
  padding: 0 !important;
}

.qpyodide-interactive-area pre,
.qpyodide-interactive-area code,
.qpyodide-console-area pre,
.qpyodide-console-area code,
.qpyodide-output-code-area pre,
.qpyodide-output-code-area code {
  color: #f4f4f5 !important;
}

.qpyodide-output-code-stdout,
pre.qpyodide-output-code-stdout,
code.qpyodide-output-code-stdout,
div.qpyodide-output-code-stdout {
  background-color: #09090b !important;
  color: #4ade80 !important;
  font-family: var(--font-mono) !important;
  font-size: 0.72rem !important;
  line-height: 1.35 !important;
  padding: 6px 10px !important;
  margin: 0 !important;
  border-top: 1px solid var(--vscode-border) !important;
  border-radius: 0 !important;
  white-space: pre-wrap !important;
}

.qpyodide-output-code-stderr,
pre.qpyodide-output-code-stderr,
code.qpyodide-output-code-stderr,
div.qpyodide-output-code-stderr {
  background-color: #09090b !important;
  color: #f87171 !important;
  font-family: var(--font-mono) !important;
  font-size: 0.72rem !important;
  line-height: 1.35 !important;
  padding: 6px 10px !important;
  margin: 0 !important;
  border-top: 1px solid var(--vscode-border) !important;
  border-radius: 0 !important;
  white-space: pre-wrap !important;
}

/* ==========================================================================
   LaTeX TColorBox Color Schemes for Quarto Callout Envs (Wrapped Targeting)
   ========================================================================== */

.callout {
  border-radius: 6px !important;
  border-width: 1px !important;
  border-left-width: 4px !important;
  border-style: solid !important;
  margin-top: 0.35rem !important;
  margin-bottom: 0.5rem !important;
  padding: 0.4rem 0.6rem !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}

.callout .callout-title {
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  font-size: 0.78rem !important;
  margin-bottom: 0.15rem !important;
}

/* 1. mydefinition (Goldenrod / Amber Tint) */
.env-definition .callout, div.env-definition div.callout {
  background-color: #fffbeb !important;
  border-color: #f59e0b !important;
  color: #92400e !important;
}
.env-definition .callout-title, div.env-definition .callout-title {
  color: #78350f !important;
}

/* 2. myexample (DarkSeaGreen / Emerald Tint) */
.env-example .callout, div.env-example div.callout {
  background-color: #ecfdf5 !important;
  border-color: #10b981 !important;
  color: #065f46 !important;
}
.env-example .callout-title, div.env-example .callout-title {
  color: #047857 !important;
}

/* 3. myremark (Indigo / Purple Tint) */
.env-remark .callout, div.env-remark div.callout {
  background-color: #faf5ff !important;
  border-color: #8b5cf6 !important;
  color: #5b21b6 !important;
}
.env-remark .callout-title, div.env-remark .callout-title {
  color: #6b21a8 !important;
}

/* 4. myexercise (RoyalBlue / Blue Tint) */
.env-exercise .callout, div.env-exercise div.callout {
  background-color: #eff6ff !important;
  border-color: #3b82f6 !important;
  color: #1e40af !important;
}
.env-exercise .callout-title, div.env-exercise .callout-title {
  color: #1e3a8a !important;
}

/* 5. mychallenge (Gold / Amber Warm Tint) */
.env-challenge .callout, div.env-challenge div.callout {
  background-color: #fff7ed !important;
  border-color: #ea580c !important;
  color: #9a3412 !important;
}
.env-challenge .callout-title, div.env-challenge .callout-title {
  color: #9a3412 !important;
}

/* 6. myattention / mycaution (Red / Rose Tint) */
.env-attention .callout, div.env-attention div.callout {
  background-color: #fff1f2 !important;
  border-color: #f43f5e !important;
  color: #9f1239 !important;
}
.env-attention .callout-title, div.env-attention .callout-title {
  color: #881337 !important;
}

/* 7. myanswer (ForestGreen / Teal Tint) */
.env-answer .callout, div.env-answer div.callout {
  background-color: #f0fdf4 !important;
  border-color: #14b8a6 !important;
  color: #115e59 !important;
}
.env-answer .callout-title, div.env-answer .callout-title {
  color: #0f766e !important;
}

/* 8. myoverview (Yellow Tint) */
.env-overview .callout, div.env-overview div.callout {
  background-color: #fefce8 !important;
  border-color: #eab308 !important;
  color: #854d0e !important;
}

/* Fallback Quarto Base Callout Styles */
.callout-note {
  background-color: #fffbeb !important;
  border-color: #f59e0b !important;
  color: #92400e !important;
}
.callout-tip {
  background-color: #eff6ff !important;
  border-color: #3b82f6 !important;
  color: #1e40af !important;
}
.callout-warning {
  background-color: #fff7ed !important;
  border-color: #ea580c !important;
  color: #9a3412 !important;
}
.callout-important {
  background-color: #fff1f2 !important;
  border-color: #f43f5e !important;
  color: #9f1239 !important;
}
.callout-caution {
  background-color: #f0fdf4 !important;
  border-color: #14b8a6 !important;
  color: #115e59 !important;
}

/* Modern Tech Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 0.3rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

th, td {
  border: 1px solid #e2e8f0;
  padding: 3px 7px;
  font-size: 0.78rem;
}

th {
  background-color: #f8fafc;
  font-weight: 600;
  color: #334155;
}